Pulse measurement apparatus, a method therefor, and a vehicle system therefor

ABSTRACT

A pulse measurement apparatus, a method therefor, and a vehicle system are provided. The pulse measurement apparatus includes a communicator configured to transmit a first signal to a user and receive a second signal reflected from the user during a predetermined time, a filter configured to extract a signal of a set frequency band from the second signal, a setting device configured to set a frequency band of the filter to a first frequency band or a second frequency band, and a pulse detector configured to measure a pulse from the signal extracted by the filter, analyze an average pulse, and detect pulse information of the user from the analyzed result.

CROSS-REFERENCE TO RELATED APPLICATION

This application is based on and claims the benefit of priority toKorean Patent Application No. 10-2017-0164938, filed on Dec. 4, 2017, inthe Korean Intellectual Property Office, the disclosure of which isincorporated herein in its entirety by reference.

TECHNICAL FIELD

The present disclosure relates to a pulse measurement apparatus, amethod therefor, and a vehicle system therefor.

BACKGROUND

A vehicle may be equipped with electronic control devices for performinga corresponding operation depending on a biometric state of a user whorides in the vehicle. Electronic control devices may measure biometricinformation of the user such as pulse information using a contact ornon-contact sensor.

If measuring biometric information in a non-contact manner, theelectronic control devices may read a reflection signal for a radio wavesignal transmitted to the user in a state where the user maintains anaccurate position and may measure biometric information of the user. Inthis case, it takes a little time to read the biometric information ofthe user. If the user is moved, it takes more time to measure biometricinformation.

SUMMARY

The present disclosure has been made to solve the above-mentionedproblems occurring in the prior art, while advantages achieved by theprior art remain intact.

An aspect of the present disclosure provides a pulse measurementapparatus for shortening a pulse measurement time by setting a filteringfrequency band of a received signal using learning data for pulseinformation of a user when measuring a pulse of the user in anon-contact manner.

The technical problems to be solved by the present disclosure are notlimited to the aforementioned problems. Other technical problems notmentioned herein will be clearly understood from the followingdescription by those skilled in the art to which the present disclosurepertains.

According to an aspect of the present disclosure, a pulse measurementapparatus may include a communicator configured to transmit a firstsignal to a user and receive a second signal reflected from the userduring a predetermined time, a filter configured to extract a signal ofa set frequency band from the second signal, a setting device configuredto set a frequency band of the filter to a first frequency band or asecond frequency band, and a pulse detector configured to measure apulse from the signal extracted by the filter, analyze an average pulse,and detect pulse information of the user from the analyzed result.

The apparatus may further include a user recognizing device configuredto recognize the user based on information of the user who rides in avehicle.

If the recognized user is not a previously registered user, the settingdevice may be configured to set the frequency band of the filter to thefirst frequency band. If the recognized user is the previouslyregistered user, the setting device may be configured to set thefrequency band of the filter to the second frequency band based onlearning data stored in response to the user.

The apparatus may further include a learning device configured to learnthe detected pulse information of the user and generate learning databased on the learned result.

The learning device may be configured to store the generated learningdata in response to the user.

If there is learning data previously stored in response to the user, thelearning device may be configured to learn the detected pulseinformation of the user and the stored learning data and may beconfigured to update the stored learning data based on the learnedresult.

The user recognizing device may be configured to recognize the userbased on user information provided from a vehicle device.

The apparatus may further include a storage configured to registerinformation of the user and store the detected pulse information of theuser in response to the registered information of the user.

According to another aspect of the present disclosure, a pulsemeasurement method may include setting a frequency band of a filter to afirst frequency band or a second frequency band, transmitting a firstsignal to a user and receiving a second signal reflected from the userduring a predetermined time, extracting a signal of a frequency band setin the filter from the second signal, and measuring a pulse from theextracted signal, analyzing an average pulse, and detecting pulseinformation of the user from the analyzed result.

Before the setting, the method may further include recognizing the userbased on information of the user who rides in a vehicle.

If the recognized user is not a previously registered user, the settingmay include setting the frequency band of the filter to the firstfrequency band. If the recognized user is the previously registereduser, the setting may include setting the frequency band of the filterto the second frequency band based on learning data stored in responseto the user.

The method may further include learning the detected pulse informationof the user, generating learning data based on the learned result, andstoring the generated learning data in response to the user.

If there is learning data previously stored in response to the user, themethod may further include learning the detected pulse information ofthe user and the stored learning data and updating the stored learningdata based on the learned result.

The recognizing of the user may include recognizing the user based onuser information provided from a vehicle device.

If the recognized user is not a previously stored user, the method mayfurther include registering information of the recognized user andstoring the detected pulse information of the user in response to theregistered information of the user.

According to another aspect of the present disclosure, a vehicle systemmay include at least one vehicle device configured to recognize a userwho rides in a vehicle and provide information of the user and a pulsemeasurement apparatus configured to recognize the user based on theinformation of the user, set a frequency band of a filter to a firstfrequency band or a second frequency band based on information of therecognized user, and detect pulse information of the user based on asignal extracted from the signal reflected from the user by the filterwhen measuring a pulse of the user. The information of the user may bereceived from the at least one vehicle device.

If the recognized user is not a previously registered user, the pulsemeasurement apparatus may be configured to set the frequency band of thefilter to the first frequency band. If the recognized user is thepreviously registered user, the pulse measurement apparatus may beconfigured to set the frequency band of the filter to the secondfrequency band based on learning data stored in response to the user.

The pulse measurement apparatus may be configured to output the detectedpulse information of the user to at least one of a control system or adisplay device in the vehicle.

The at least one vehicle device may include at least one of a smart keycontrol device, a vehicle communication device, and a seat controldevice.

The pulse measurement apparatus may be configured to be installed in aseat of the vehicle and measure a pulse of a user who sits on the seatby a radio wave signal.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and other objects, features, and advantages of the presentdisclosure will be more apparent from the following detailed descriptiontaken in conjunction with the accompanying drawings:

FIG. 1 is a block diagram illustrating a vehicle system to which a pulsemeasurement apparatus is applied, according to an embodiment of thepresent disclosure;

FIG. 2 is a block diagram illustrating a configuration of a pulsemeasurement apparatus according to an embodiment of the presentdisclosure;

FIG. 3 is a block diagram illustrating a configuration of a vehicledevice according to an embodiment of the present disclosure;

FIGS. 4A and 4B are drawings illustrating an operation of a pulsemeasurement apparatus according to an embodiment of the presentdisclosure;

FIGS. 5 and 6 are flowcharts illustrating an operation of a non-contactpulse measurement method according to an embodiment of the presentdisclosure; and

FIG. 7 is a block diagram illustrating a configuration of a computingsystem in which a method according to an embodiment of the presentdisclosure is executed.

DETAILED DESCRIPTION

Hereinafter, embodiments of the present disclosure will be described indetail with reference to the accompanying drawings. Although the sameelements may be displayed on different drawings, it should be noted thatthe same elements have the same denotations. If it is determined that adetailed description of related well-known configurations or functionsblurs the gist of an embodiment of the present disclosure in describingan embodiment of the present disclosure, the detailed description hasbeen omitted.

In describing elements of embodiments of the present disclosure, theterms 1^(st), 2^(nd), first, second, A, B, (a), (b), and the like may beused herein. These terms are only used to distinguish one element fromanother element and do not limit the corresponding elements irrespectiveof the nature, turn, or order of the corresponding elements. Unlessotherwise defined, all terms used herein, including technical orscientific terms, have the same meanings as those generally understoodby those skilled in the art to which the present disclosure pertains.Such terms as those defined in a generally used dictionary are to beinterpreted as having meanings equal to the contextual meanings in therelevant field of art and are not to be interpreted as having ideal orexcessively formal meanings unless clearly defined as having such in thepresent application.

FIG. 1 is a block diagram illustrating a vehicle system to which a pulsemeasurement apparatus is applied according to an embodiment of thepresent disclosure.

Referring to FIG. 1, the vehicle system according to an embodiment ofthe present disclosure may include a vehicle device 10 and a pulsemeasurement apparatus 100.

The vehicle device 10 may be communicatively connected with the pulsemeasurement apparatus 100 and may provide information of a user to thepulse measurement apparatus 100.

The pulse measurement apparatus 100 may be a device that measures, in anon-contact manner, a pulse of the user who rides in a vehicle. As anexample, the pulse measurement apparatus 100 may be installed in a seatin the vehicle and may measure a pulse of the user who sits on the seat.

The pulse measurement apparatus 100 may store pulse information of theuser and may analyze the stored average pulse of the user, therebylearning pulse information of the user.

In this case, the pulse measurement apparatus 100 may adjust a frequencyband of a signal for pulse measurement based on pulse informationlearned for the user and may measure a pulse of the user based on asignal received with the adjusted frequency band.

The pulse measurement apparatus 100 may receive user information fromthe vehicle device 10, which is communicatively connected with the pulsemeasurement apparatus 100 and may recognize the user from the receiveduser information. If the recognized user is a previously registereduser, the pulse measurement apparatus 100 may call learned pulseinformation of the recognized user.

If the recognized user is not the previously registered user based onuser information received from the vehicle device 10, the pulsemeasurement apparatus 100 may measure a pulse of the user and mayanalyze an average pulse of the user. In this case, the pulsemeasurement apparatus 100 may register the received user information andmay store pulse information corresponding to the registered userinformation.

A description will be given in detail of a detailed configuration of thepulse measurement apparatus 100 with reference to FIG. 2.

The pulse measurement apparatus 100 according to an embodiment of thepresent disclosure may be implemented in a vehicle. In this case, thepulse measurement apparatus 100 may be integrated with internal controlunits of the vehicle. Alternatively, the pulse measurement apparatus 100may be implemented to be independent of the internal control units ofthe vehicle and may be connected with the internal control units by aseparate connection means.

FIG. 2 is a block diagram illustrating a configuration of a pulsemeasurement apparatus according to an embodiment of the presentdisclosure.

Referring to FIG. 2, a pulse measurement apparatus 100 may include acontroller 110, a communicator 120, a filter 130, a storage 140, a userrecognizing device 150, a setting device 160, a pulse detector 170, anda learning device 180. The controller 110, the setting device 160, thepulse detector 170, and the learning device 180 of the pulse measurementapparatus 100 according to an embodiment of the present disclosure maybe implemented as one or more processors.

The controller 100 may process a signal transmitted between the elementsof the pulse measurement apparatus 100.

The communicator 120 may include a communication module for supporting acommunication interface with electronics and/or control units mounted ona vehicle. As an example, the communication module may becommunicatively connected with at least one vehicle device 10 of FIG. 1and may receive information of a user from the vehicle device 10. Thecommunication module may include a module for supporting vehicle networkcommunication such as controller area network (CAN) communication, localinterconnect network (LIN) communication, and flex-ray communication.Further, the communication module may include a module for wirelessInternet access or a module for short range communication. WirelessInternet technologies may include a wireless local area network (WLAN),wireless broadband (Wibro), wireless-fidelity (Wi-Fi), worldinteroperability for microwave access (Wimax), and the like. Short rangecommunication technologies may include Bluetooth, ZigBee, ultra-wideband(UWB), radio frequency identification (RFID), infrared data association(IrDA), and the like.

The communicator 120 may transmit a radio wave signal to a user using aDoppler system and may receive a signal reflected from the user, therebytransmitting the received signal to the controller 110.

The communicator 120 may include a transmitter 121 for transmitting afirst signal for pulse measurement to the user and a receiver 125 forreceiving a second signal in which the first signal transmitted by thetransmitter 121 is reflected from the user. As an example, the firstsignal may be a radio wave signal of a 24 GHz band. The second signalmay include a signal of a plurality of bands.

The filter 130 may extract a signal corresponding to a predeterminedfrequency band from the second signal received by the receiver 125 andmay block a signal of another band. As an example, the filter 130 mayextract a signal of a predetermined reference band (hereinafter referredto as “first frequency band”) from the second signal received via thereceiver 125 and may block a signal of the other frequency band. Thesignal extracted by the filter 130 may be transmitted to the controller110.

A predetermined frequency band set in the filter 130 may be adjusted bythe setting device 160. In this case, the filter 130 may extract asignal of a frequency band (hereinafter referred to as “second frequencyband”) adjusted by the setting device 160 from the second signalreceived via the receiver 125 and may transmit the extracted signal tothe controller 110.

The filter 130 may be implemented in the form of a hardware module.According to an embodiment, the filter 130 may be implemented in theform of a software module.

The storage 140 may store data, an algorithm, and/or the like necessaryfor operating the pulse measurement apparatus 100.

The storage 140 may store information of a first frequency band of thefilter 130 and may store information of a second frequency band adjustedby the setting device 160. Further, the storage 140 may store registereduser information and may store pulse information stored in response tothe user information and/or learning data of the pulse information.

The storage 140 may store an instruction and/or an algorithm fordetecting a pulse of the user based on a received signal and foranalyzing an average pulse of the user from the detected pulseinformation. The storage 140 may store a learning algorithm for learningpulse information of the user.

The storage 140 may include storage media, such as a random-accessmemory (RAM), a static RAM (SRAM), a read-only memory (ROM), aprogrammable ROM (PROM), and an electrically erasable PROM (EEPROM).

If a pulse measurement event occurs, the user recognizing device 150 mayrecognize the user. The user recognizing device 150 may recognize theuser based on information input from the user. The user recognizingdevice 150 may receive user information from the vehicle device 10connected via the communicator 120. The user recognizing device 150 mayrecognize the user based on the user information received from thevehicle device 10.

The user recognizing device 150 may determine whether the recognizeduser is a previously registered user. If determining that the recognizeduser is the previously registered user, the user recognizing device 150may transmit information about the recognized user and registrationinformation of the user to the setting device 160 and/or the controller110.

If determining that the recognized user is not the previously registereduser, the user recognizing device 150 may transmit the information aboutthe recognized user to the setting device 160 and/or the controller 110.The user recognizing device 150 may register information about therecognized user in the storage 140 depending on a request of the user.

The setting device 160 may set a frequency band of a signal passingthrough the filter 130. If the user recognized by the user recognizingdevice 150 is a user that is not registered, the setting device 160 mayset a frequency band of the filter 130 to a predefined first frequencyband. Although there is no pulse information learned in response to theuser recognized by the user recognizing device 150, the setting device160 may set the frequency band of the filter 130 to the predefined firstfrequency band.

If the user recognized by the user recognizing device 150 is thepreviously registered user and if there is pulse information learned inresponse to the user, the setting device 160 may adjust a frequency bandof the filter 130 based on the pulse information learned in response tothe user.

If a frequency band of the filter 130 is set to the first frequency bandor a second frequency band by the setting device 160 when a pulsemeasurement event occurs, the controller 110 may control the transmitter121 to transmit a first signal during a predetermined time through thetransmitter 121. If a signal of the first frequency band or the secondfrequency band extracted by the filter 130 from a second signal receivedin response to the first signal transmitted during the predeterminedtime is received, the controller 110 may store the received signal inthe storage 140 and may transmit the stored signal to the pulse detector170.

The pulse detector 170 may measure a pulse from signals of the firstfrequency band or the second frequency band extracted by the filter 130and may analyze an average pulse, thereby detecting pulse information ofthe user. The pulse detector 170 may store the detected pulseinformation of the user in the storage 140 and may output the storedinformation.

If the frequency band of the filter 130 is set to the first frequencyband, the pulse detector 170 may analyze signals of the first frequencyband extracted by the filter 130 to measure a pulse and may analyze anaverage pulse to detect pulse information of the user.

If the frequency band of the filter 130 is set to the second frequencyband that is determined based on learning data for previous pulseinformation detected from the user, the pulse detector 170 may analyzesignals of the second frequency band extracted by the filter 130 tomeasure a pulse and may analyze an average pulse to detect pulseinformation of the user. The second frequency band may be determinedfrom learning data for previous pulse information detected from theuser.

The pulse detector 170 may output pulse information of the user to acontrol system in a vehicle, connected via the communicator 120. Thecontrol system in the vehicle may be a system that performs acorresponding operation based on biometric information of the user.Further, the pulse detector 170 may output the pulse information of theuser to a display device in the vehicle, connected via the communicator120.

The learning device 180 may learn pulse information of the user,detected based on signals of the first frequency band or the secondfrequency band, and may generate learning data based on the learningresult. In this case, the generated learning data may be stored inresponse to information of the user, registered in the storage unit 140.

If there is no learning data previously stored in response to the user,the learning device 180 may learn pulse information of the user,detected by signals of the first frequency band, and may generatelearning data based on the learning result. If there is learning datapreviously stored in response to the user, the learning device 180 maylearn pulse information of the user, detected based on signals of thesecond frequency band, and the previously stored learning data. Thelearning device 180 may update learning data stored in the storage 140based on the learning result. The learning data stored in response tothe user may be updated whenever a pulse is measured from the user.

The learning device 180 may learn pulse information of the user by alearning algorithm installed in the pulse measurement apparatus 100. Thelearning device 180 may receive a learning result for pulse informationof the user from an external learning server connected via thecommunicator 120 and may generate learning data for pulse information ofthe user based on the received learning result.

The pulse measurement device 100 according to an embodiment of thepresent disclosure, which performs the above-mentioned operation, may beimplemented in the form of an independent hardware device including amemory and a processor for processing each operation or may be driven inthe form of being included in another hardware device such as amicroprocessor or a universal computer system.

FIG. 3 is a block diagram illustrating a configuration of a vehicledevice 10 according to an embodiment of the present disclosure.

The vehicle device 10 may be communicatively connected with a pulsemeasurement apparatus 100 of FIG. 1 and may provide information of auser to the pulse measurement apparatus 100. The vehicle device 10 maytransmit and receive a signal with the pulse measurement apparatus 100in a vehicle network communication mode, a wireless Internetcommunication mode, and/or a short-range communication mode.

Referring to FIG. 3, the vehicle device 10 may include a smart keycontrol device 11 for providing a key identifier (ID) of a smart key tothe pulse measurement apparatus 100. The vehicle device 10 may alsoinclude a vehicle communication device 12, which is communicativelyconnected with a user terminal in a wireless communication mode in avehicle, for providing information registered in the user terminal tothe pulse measurement apparatus 100. The vehicle device 10 may alsoinclude a seat control device 13 for providing information of the userthat is registered in a memory seat system, such as an integrated memorysystem (IMS), to the pulse measurement apparatus 100, and/or the like.The vehicle device 10 may correspond to any device for providinginformation of the user other than the above-mentioned devices.

FIGS. 4A and 4B are drawings illustrating an operation of a pulsemeasurement apparatus according to an embodiment of the presentdisclosure.

FIG. 4A illustrates an operation of measuring a pulse of a user if afrequency band of a filter is set to a first frequency band. FIG. 4Billustrates an operation of measuring a pulse of a user if a frequencyband of a filter is set to a second frequency band.

Assuming that a pulse of a regular adult has a value between 50 bpm and140 bpm, the first frequency band may be defined based on an averagevalue among values between 50 bpm and 140 bpm. Since a deviation of apulse is large for each user, the first frequency band may be defined asa wide range.

The second frequency band may be defined based on an average pulse ofthe user, analyzed by learning pulse information detected from the userand analyzing an average pulse. The second frequency band may be definedas a narrower band than the first frequency band.

As shown in FIG. 4A, a pulse measurement apparatus 100 of FIG. 2 maymeasure a pulse with respect to a reference frequency in the firstfrequency band if detecting pulse information of the user from a signalof the first frequency band. If reference numeral 411 denotes areference frequency and if reference numeral 415 denotes a frequency atwhich a pulse signal of the user is actually detected, a time taken forthe pulse measurement apparatus 100 to measure a pulse of the user withrespect to the reference frequency 411 may be t1.

As shown in FIG. 4B, the pulse measurement apparatus 100 may measure apulse with respect to a reference frequency in the second frequency bandif detecting pulse information of the user from a signal of the secondfrequency band.

If reference numeral 421 denotes a reference frequency and if referencenumeral 425 denotes a frequency at which a pulse signal of the user isactually detected, a time taken for the pulse measurement apparatus 100to measure a pulse of the user with respect to the reference frequency421 may be t2 (where t2<t1).

If setting a frequency band of a filter 130 of FIG. 2 to the secondfrequency band based on learning data of pulse information detected fromthe user, the pulse measurement apparatus 100 may further reduce a pulsemeasurement time from t1 to t2.

A description will be given in detail of an operation of the pulsemeasurement apparatus 100 according to an embodiment of the presentdisclosure, including the above-mentioned configuration.

FIGS. 5 and 6 are flowcharts illustrating an operation of a non-contactpulse measurement method according to an embodiment of the presentdisclosure.

FIG. 5 illustrates an initial operation of a pulse measurementapparatus.

Referring to FIG. 5, a pulse measurement apparatus 100 of FIG. 1 mayreceive user information from a vehicle device 10 of FIG. 1 in operationS120 if a user rides in a vehicle in operation S110. In operation S130,the pulse measurement apparatus 100 may recognize a user based on theuser information received in operation S120 and may determine whetherthe recognized user is a previously registered user.

If the recognized user is not the previously registered user inoperation S130, the pulse measurement apparatus 100 may measure a pulseof the recognized user based on a reference frequency band (a firstfrequency band) in operation S140.

In operation S140, the pulse measurement apparatus 100 may transmit afirst signal to the user during a predetermined time and may measure apulse of the recognized user from a signal of the reference frequencyband in a second signal reflected from the user.

In operation S150, the pulse measurement apparatus 100 may analyze anaverage pulse based on the result of measuring the pulse in operationS140. In operation S160, the pulse measurement apparatus 100 may detectpulse information of the user based on the result of analyzing theaverage pulse in operation S150 and may store the detected pulseinformation in a storage 140 of FIG. 2.

In operation S170, the pulse measurement apparatus 100 may output thepulse information of the user detected in operation S160.

If the pulse measurement of the user is completed, the pulse measurementapparatus 100, in operation S180, may learn the pulse information of theuser, stored in operation S160. In operation S190, the pulse measurementapparatus 100 may store the learned result in the storage 140. Thelearned result stored in operation S190 may be used to adjust afrequency band of the filter 130 when a pulse of the user is measuredlater.

If the recognized user is the previously registered user in operationS130, the pulse measurement apparatus 100 may perform an operation from‘A’ of FIG. 6.

Referring to FIG. 6, the pulse measurement apparatus 100 may calllearned pulse information of the previously registered user and maydetermine a frequency band of a filter 130 of FIG. 2 in operation S210.In operation S220, the pulse measurement apparatus 100 may adjust afrequency band of the filter 130 based on information of the determinedfrequency band.

In operation S230, the pulse measurement apparatus 100 may measure apulse of the user based on the frequency band (a second frequency band)adjusted in operation S220.

In operation S230, the pulse measurement apparatus 100 may transmit afirst signal to the user during a predetermined time and may measure apulse of the user from a signal of an adjusted frequency band in asecond signal reflected from the user.

In operation S240, the pulse measurement apparatus 100 may analyze anaverage pulse based on the result of measuring the pulse in operationS230. In operation S250, the pulse measurement apparatus 100 may detectpulse information of the user based on the result of analyzing theaverage pulse in operation S240 and may store the detected pulseinformation in the storage 140 of FIG. 2.

In operation S260, the pulse measurement apparatus 100 may output thepulse information of the user, detected in operation S250.

In operation S270, the pulse measurement apparatus 100 may learn thepulse information of the user, which is stored in operation S260, andpulse information previously learned for the user if the pulsemeasurement of the user is completed. In operation S280, the pulsemeasurement apparatus 100 may store the learned result in the storage140 of FIG. 2.

FIG. 7 is a block diagram illustrating a configuration of a computingsystem in which a method according to an embodiment of the presentdisclosure is executed.

Referring to FIG. 7, a computing system 1000 may include at least oneprocessor 1100, a memory 1300, a user interface input device 1400, auser interface output device 1500, a storage 1600, and a networkinterface 1700, which are connected with each other via a bus 1200.

The processor 1100 may be a central processing unit (CPU) or asemiconductor device for processing instructions stored in the memory1300 and/or the storage 1600. Each of the memory 1300 and the storage1600 may include various types of volatile or non-volatile storagemedia. For example, the memory 1300 may include a read only memory (ROM)1310 and a random-access memory (RAM) 1320.

The operations of the methods or algorithms described in connection withthe embodiments disclosed in the specification may be directlyimplemented with a hardware module, a software module, or combinationsthereof, executed by the processor 1100. The software module may resideon a storage medium (e.g., the memory 1300 and/or the storage 1600) suchas a RAM, a flash memory, a ROM, an erasable and programmable ROM(EPROM), an electrically EPROM (EEPROM), a register, a hard disc, aremovable disc, or a compact disc-ROM (CD-ROM). A storage medium may becoupled to the processor 1100. The processor 1100 may read outinformation from the storage medium and may write information in thestorage medium. Alternatively, the storage medium may be integrated withthe processor 1100. The processor and the storage medium may reside inan application specific integrated circuit (ASIC). The ASIC may residein a user terminal. Alternatively, the processor and storage medium mayreside as a separate component of the user terminal.

According to an embodiment of the present disclosure, the pulsemeasurement apparatus may reduce a pulse measurement time by setting afiltering frequency band of a received signal using learning data forpulse information of the user when measuring a pulse of the user in anon-contact manner.

While the present disclosure has been described with reference to theembodiments herein, it will be apparent to those skilled in the art thatvarious changes and modifications may be made without departing from thespirit and scope of the present disclosure.

Therefore, embodiments of the present disclosure are not limiting, butillustrative, and the spirit and scope of the present disclosure is notlimited thereto. The spirit and scope of the present disclosure shouldbe interpreted by the following claims, it should be interpreted thatall technical ideas that are equivalent to the present disclosure areincluded in the spirit and scope of the present disclosure.

What is claimed is:
 1. A pulse measurement apparatus, the apparatuscomprising: a communicator configured to transmit a first signal to auser and receive a second signal reflected from the user during apredetermined time; a filter configured to extract a signal of a setfrequency band from the second signal; a setting device configured toset a frequency band of the filter to a first frequency band or a secondfrequency band; and a pulse detector configured to measure a pulse fromthe signal extracted by the filter, analyze an average pulse, and detectpulse information of the user from the analyzed result.
 2. The apparatusof claim 1, further comprising a user recognizing device configured torecognize the user based on information of the user who rides in avehicle.
 3. The apparatus of claim 2, wherein the setting device isconfigured to set the frequency band of the filter to the firstfrequency band when the recognized user is not a previously registereduser and set the frequency band of the filter to the second frequencyband based on learning data stored in response to the user when therecognized user is the previously registered user.
 4. The apparatus ofclaim 1, further comprising a learning device configured to learn thedetected pulse information of the user and generate learning data basedon the learned result.
 5. The apparatus of claim 4, wherein the learningdevice is configured to store the generated learning data in response tothe user.
 6. The apparatus of claim 4, wherein the learning device isconfigured to learn the detected pulse information of the user and thestored learning data when there is learning data previously stored inresponse to the user and update the stored learning data based on thelearned result.
 7. The apparatus of claim 2, wherein the userrecognizing device is configured to recognize the user based on userinformation provided from a vehicle device.
 8. The apparatus of claim 1,further comprising a storage configured to register information of theuser and store the detected pulse information of the user in response tothe registered information of the user.
 9. A pulse measurement method,the method comprising: setting a frequency band of a filter to a firstfrequency band or a second frequency band; transmitting a first signalto a user; receiving a second signal reflected from the user during apredetermined time; extracting a signal of a frequency band set in thefilter from the second signal; and measuring a pulse from the extractedsignal, analyzing an average pulse, and detecting pulse information ofthe user from the analyzed result.
 10. The method of claim 9, furthercomprising recognizing the user based on information of the user whorides in a vehicle before the setting.
 11. The method of claim 10,wherein the setting comprises setting the frequency band of the filterto the first frequency band when the recognized user is not a previouslyregistered user and setting the frequency band of the filter to thesecond frequency band based on learning data stored in response to theuser when the recognized user is the previously registered user.
 12. Themethod of claim 9, further comprising: learning the detected pulseinformation of the user; generating learning data based on the learnedresult; and storing the generated learning data in response to the user.13. The method of claim 9, further comprising: learning the detectedpulse information of the user and stored learning data when there islearning data previously stored in response to the user; and updatingthe stored learning data based on the learned result.
 14. The method ofclaim 10, wherein the recognizing of the user comprises recognizing theuser based on user information provided from a vehicle device.
 15. Themethod of claim 10, further comprising: registering information of therecognized user when the recognized user is not a previously storeduser; and storing the detected pulse information of the user in responseto the registered information of the user.
 16. A vehicle system,comprising: at least one vehicle device configured to recognize a userwho rides in a vehicle and provide information of the user; and a pulsemeasurement apparatus configured to recognize the user based on theinformation of the user received from the at least one vehicle device,set a frequency band of a filter to a first frequency band or a secondfrequency band based on information of the recognized user, and detectpulse information of the user based on a signal extracted from thesignal reflected from the user by the filter when measuring a pulse ofthe user.
 17. The vehicle system of claim 16, wherein the pulsemeasurement apparatus is configured to set the frequency band of thefilter to the first frequency band when the recognized user is not apreviously registered user and set the frequency band of the filter tothe second frequency band based on learning data stored in response tothe user when the recognized user is the previously registered user. 18.The vehicle system of claim 16, wherein the pulse measurement apparatusis configured to output the detected pulse information of the user to atleast one of a control system or a display device in the vehicle. 19.The vehicle system of claim 16, wherein the at least one vehicle deviceincludes at least one of a smart key control device, a vehiclecommunication device, and a seat control device.
 20. The vehicle systemof claim 16, wherein the pulse measurement apparatus is configured to beinstalled in a seat of the vehicle and measure a pulse of a user whosits on the seat by a radio wave signal.